Abstract: This article explores the application of fiber optic communication technology in power relay protection information transmission, proposing three strategies: Channel equalization and noise suppression based on deep learning, security enhancement based on quantum key distribution, and all-optical network construction based on photon integration technology. The experimental results show that these strategies significantly improve the reliability, security, and efficiency of transmission, with a minimum error rate of 2.1×10^-8, a system throughput of 80 Gb/s, and end-to-end latency reduced to 3.8 ms, verifying the effectiveness of the strategies.